Level shift circuit

Details Level shift circuit Level shift circuit

2006-12-19

2008-12-16

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S062000, C326S081000

Reexamination Certificate

active

07466183

ABSTRACT:
The present invention discloses a level shift circuit and a control pulse shaping unit therewith. A level shift circuit for transition of a low-voltage input signal into a high-voltage output signal, the circuit comprising two pairs of transistors and a control unit. Two pairs of transistors, wherein the transistors in one of the pairs are both turned on in response to the input signal so that a voltage on a reference voltage node is coupled to a gate of one of the transistors in the other pair; a control unit decoupling a reference voltage from the reference voltage node during a first phase, and partially and fully coupling the reference voltage to the reference voltage node respectively during a second and third phases.

REFERENCES:
patent: 7230475 (2007-06-01), Choi et al.

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